/*-------------------------------------------------------------------------
 *
 * utils.h
 *
 *    Utilty module of Postgres-XC configuration and operation tool.
 *
 * Copyright (c) 2013 Postgres-XC Development Group
 *
 *-------------------------------------------------------------------------
 */
#include <stdlib.h>
#include <stdio.h>

extern void* Malloc(size_t size);
extern void* Malloc0(size_t size);
extern void* Realloc(void* ptr, size_t size);
extern void Free(void* ptr);
extern int Chdir(char* path, int flag);
extern FILE* Fopen(char* path, char* mode);
extern char* Strdup(const char* s);
extern char** addToList(char** List, char* val);
extern void appendFiles(FILE* f, char** fileList);
extern FILE* prepareLocalStdin(char* buf, int len, char** fileList);
extern char* timeStampString(char* buf, int len);
extern char** makeActualNodeList(char** nodeList);
extern int gtmProxyIdx(char* gtmProxyName);
extern int coordIdx(char* coordName);
extern int datanodeIdx(char* datanodeName);
extern int getEffectiveGtmProxyIdxFromServerName(char* serverName);
extern pid_t get_prog_pid(char* host, char* progname, char* dir);
extern int pingNode(char* host, char* port);
extern void trimNl(char* s);
extern char* getChPidList(char* host, pid_t ppid);
extern char* getIpAddress(char* hostName);

#define get_postmaster_pid(host, dir) get_prog_pid(host, "postgres", dir)
#define get_gtm_pid(host, dir) get_prog_pid(host, "gtm", dir)
#define get_gtmProxy_pid(host, dir) get_prog_pid(host, "gtm_proxy", dir)
#define freeAndReset(x) \
    do {                \
        Free(x);        \
        (x) = NULL;     \
    } while (0)
#define myWEXITSTATUS(rc) ((rc)&0x000000FF)

/* Printout variable in bash format */
#define svalFormat "%s=%s\n"
#define expandSval(name) name, sval(name)
#define avalFormat "%s=( %s )\n"
#define expandAval(name) name, listValue(name)
#define fprintAval(f, name)                       \
    do {                                          \
        fprintf(f, avalFormat, expandAval(name)); \
    } while (0)
#define fprintSval(f, name)                       \
    do {                                          \
        fprintf(f, svalFormat, expandSval(name)); \
    } while (0)
